in 1925 Holt and Best merged to form their new tractor company, so familiar to people around the world: Caterpillar. Happy 100th anniversary to Caterpillar!

The first "1925 Caterpillar" was the Caterpillar Sixty, a rebranded version of the C. L. Best 60 Tracklayer

https://zeppelin70years.com/2020/05/04/1925-american-pioneering-spirit-how-caterpillar-started-out

https://www.caterpillar.com/en/company/history/history-timeline/caterpillars-most-unusual-products.html